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26982928 = 2472127271
BaseRepresentation
bin110011011101…
…1101000010000
31212202212121201
41212323220100
523401423203
62402200544
7445231300
oct146735020
955685551
1026982928
111425a745
129053154
13578993b
143825600
15257ee1d
hex19bba10

26982928 has 60 divisors (see below), whose sum is σ = 61519872. Its totient is φ = 11430720.

The previous prime is 26982919. The next prime is 26982947. The reversal of 26982928 is 82928962.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99433 + ... + 99703.

Almost surely, 226982928 is an apocalyptic number.

26982928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26982928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30759936).

26982928 is an abundant number, since it is smaller than the sum of its proper divisors (34536944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26982928 is a wasteful number, since it uses less digits than its factorization.

26982928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 407 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 26982928 is about 5194.5094089818. The cubic root of 26982928 is about 299.9367570391.

The spelling of 26982928 in words is "twenty-six million, nine hundred eighty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 127 196 254 271 392 508 542 784 889 1016 1084 1778 1897 2032 2168 3556 3794 4336 6223 7112 7588 12446 13279 14224 15176 24892 26558 30352 34417 49784 53116 68834 99568 106232 137668 212464 240919 275336 481838 550672 963676 1686433 1927352 3372866 3854704 6745732 13491464 26982928